1. Res. Student, Dept. of Mech. Engrg., Victoria Univ. of Technol., Melbourne, Australia.
2. Res. Engr., Dept. of Mech. Engrg., Victoria Univ. of Technol., Melbourne, Australia.
3. Head, Dept. of Mech. Engrg., Victoria Univ. of Technol., Melbourne, Australia.